137818007 has 8 divisors (see below), whose sum is σ = 142340400. Its totient is φ = 133337664.

The previous prime is 137818003. The next prime is 137818061. The reversal of 137818007 is 700818731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137818007 - 2² = 137818003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137818003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (17792550).

Almost surely, 2^137818007 is an apocalyptic number.

137818007 is a deficient number, since it is larger than the sum of its proper divisors (4522393).

137818007 is a wasteful number, since it uses less digits than its factorization.

137818007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 137818007 is about 11739.5914324137. The cubic root of 137818007 is about 516.5376571872.

The spelling of 137818007 in words is "one hundred thirty-seven million, eight hundred eighteen thousand, seven".